Fauna of the Yellow Sea

A shallow, semi-enclosed shelf sea of the Pacific Ocean off the east coast of Asia, west of the Korean Peninsula. Like all Asian areas of the world's oceans, the Yellow Sea is inhabited by a wide variety of fish species. Winter mixing and river runoff provide his biological productivity.

Zooplankton of the Yellow Sea

In the Yellow Sea, 40% of the zooplankton biomass consists of Copepod. Plankton biomass is very high in the southern part of the sea, while the amount of zooplankton decreases towards the north. Sponges, molluscs, echinoderms and coelenterates dominate in terms of abundance in the Yellow Sea.

Commercial fishing in the Yellow Sea

There are more than 300 species of fish in the Yellow Sea. It is rich in biological resources and there is industrial fishing of cod, herring, pomfret, cephalopods (squid, octopus), bivalves (oysters, mussels), crustaceans (crabs, lobsters, crawfish, shrimp), and others. 

According to scientists, the state of the Yellow Sea's bioresources has changed significantly over the past 30 years, and they attribute this to global warming: the water temperature in the Yellow Sea basin has increased by 1-2 degrees, which has caused some fish species to migrate north. In particular, populations of large fish have declined and the number of small species and molluscs, which have become the area's main commercial resource, has increased. Another reason for the sharp decline in fish numbers is the reduction in the numbers of migratory fish species. For example, if in the 80s of the last century, 30% of the total catch in the Yellow Sea basin was Largehead hairtail, this proportion has now fallen threefold to 10%. At the same time, 40% of the total catch in the basin today is Japanese anchovy, which is becoming the most important species for Yellow Sea fishermen.

The most common inhabitants of the Yellow Sea

There are many species of marine life, from microscopic organisms to large inhabitants such as sharks and dolphins. The seabed is home to echinoderms (sea urchins, starfish, snake-tails), sea snakes and worms. There are many species of fish, mostly demersal (chameleon goby, yellowfin goby, flathead flounder), but also pelagic (Alaska pollock, Pacific saury, Pacific jack mackerel, Pacific sardine, large yellow croaker). Pufferfish, daggertooth pike conger, rhizostomeae jellyfish and common jellyfish, which are popular in restaurants in Japan, China and South Korea, are also common.

Mammals of the yellow sea

The spotted seal is the only seal species found in the Yellow Sea. There is a sanctuary for them in Bennendo, which is also known for its featherless porpoises. Great white sharks are known to hunt seals in the area. Whaling has been a major factor in the decline of the mammals. Species in the area today include cetaceans such as the minke whale, orca, false killer whale and Indo-Pacific finless porpoise, but all exist in very small numbers. Historically, large whales have been very common in the Yellow Sea. For example, there used to be a unique population of native fin whales and grey whales, and there may have been some North Pacific right whales and humpback whales all year round, except for migratory species such as Baird's beaked whales. Even the blue whale, Japanese sea lion, dugong (southern regions only) and leatherback sea turtle used to breed or migrate to the Yellow Sea.

Yellow sea sharks

The Yellow Sea is home to several species of catshark, Squaliformes, Parascylliidae, houndshark, requiem shark, hammerhead shark, as well as bignose shark, Japanese wobbegong, pelagic thresher, shortfin mako shark.



Mackerel, Pacific Jack

Mackerel, Pacific Jack

Latin name Trachurus symmetricus Other names Horse mackerel, jack mackerel, jackfish, mackereljac..

Molluscs

Molluscs

A type of secondary invertebrate. Probably originated in the Precambrian; several classes of mollusc..

Octopus

Octopus

Latin Octōpoda, from Ancient Greek ὀκτώ "eight" and πούς "foot".Octopods (Octopoda) are a subdivisio..

Orca

Orca

Latin nameOrcinus orcaOther namesKiller whaleIdentificationThe Latin orca is thought to derive from ..

Pacific saury

Pacific saury

Pacific saury (Cololabis saira) is a marine fish of the family Scomberesocidae. Length up to 36 cm, ..

Sardine, Pacific

Sardine, Pacific

Latin name Sardinops caeruleus Other names Pilchard, California pilchard, California sardine, sar..

Shark, Shortfin Mako

Shark, Shortfin Mako

Latin name Isurus oxyrinchus Other names Blue pointer, bonito shark, dog shark, short-nosed macke..

Shark, White

Shark, White

Latin name Carcharodon carcharias Other names White pointer, white death, man-eater, great white ..

Sharks, Thresher

Sharks, Thresher

Latin name Alopias species Other names Fox shark, longtail thresher, pelagic thresher, sea fox, s..

Shrimp

Shrimp

Shrimp (Caridea) - suborder Decapoda. The abdomen is muscular, longer than the thorax. Many have cla..

Squid

Squid

Squid (Teuthida) is a subdivision of the class Cephalopoda. The body is elongated, torpedo-shaped, w..

Yellowfin goby

Yellowfin goby

Latin nameAcanthogobius flavimanusOther namesMahaze, Japanese river goby, oriental goby, spotted gob..

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